Differentiate w.r.t. a
-198a^{5}
Evaluate
-33a^{6}
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\frac{\mathrm{d}}{\mathrm{d}a}(-33a^{6})
Combine -27a^{6} and -6a^{6} to get -33a^{6}.
6\left(-33\right)a^{6-1}
The derivative of ax^{n} is nax^{n-1}.
-198a^{6-1}
Multiply 6 times -33.
-198a^{5}
Subtract 1 from 6.
-33a^{6}
Combine -27a^{6} and -6a^{6} to get -33a^{6}.
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